I still don't understand how it would have such an old purchase date. Or is that something Apple does to dissuade people from buying from non authorized sellers. If you had a friend who bought a brand new MacBook Pro, and he decided 50 days in that he wanted to get rid of it and you bought it from him, there is nothing to stop you from adding Apple care yourself.
The warranty has been voided. A year of 0000 isn't valid in the system and the oldest date in the system is 1985.